The Postcard Killings Site

: The story follows NYPD detective Jacob Kanon as he hunts a serial killer across Europe who murders young couples and sends mysterious postcards to local journalists before each strike. The Film Adaptation

If you are looking for a physical or digital copy of the book to read, it was co-authored by and Liza Marklund . The Postcard Killings

If you are writing a research paper and need a "good paper" (academic source) or historical context: : The story follows NYPD detective Jacob Kanon